Intraspecific variation in megalopae of Clibanarius antillensis (Anomura, Diogenidae) among western Atlantic populations

Cházaro–Olvera, Sergio; Robles, Rafael; Montoya-Mendoza, Jesús; Herrera-López, Josué Abraham

doi:10.1590/2358-2936e2018031

Cited by 6 publications

(8 citation statements)

References 24 publications

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“…Sampling was performed using light traps placed on 3 sites of the Carbonera, a karstic coastal lagoon in northwestern Yucatán Peninsula, Mexico, for 1 night, covering a 12 h cycle; all traps had white light of 38 lumens. Traps were constructed from plastic boxes 0.4 m long, 0.25 m wide, and 0.30 m high; a 40 mm diameter inlet holes were made in the upper part of each side of the box (Cházaro-Olvera et al, 2018).…”

Section: Methodsmentioning

confidence: 99%

A new species of the genus Eudevenopus (Crustacea: Amphipoda: Platyischnopidae) from the Gulf of Mexico

Ortiz

Cházaro–Olvera

2022

Rev.Mex.Biodiv.

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The genus Eudevenopus includes 4 valid species, inhabitants of relatively shallow waters in both sides of America. A fifth species, collected with a light trap in Sisal, Yucatán Peninsula is described and illustrated in this paper. Eudevenopus winfieldi n. sp. can be distinguished from other species in the genus by the pereopod 7 dactylus, which is as long as propodus, article 1 of flagellum antenna 1 of the male with 2-4 aesthetascs, a comb of 6 distal pectinate setae on the posterodistal margin of the carpus of gnathopod 2, and the uropod 3 peduncle, which has a simple robust intermediate seta on the external margin. An identification key and a comparative table are also provided to contrast the new species from E. honduranus, which is the closest recognised species.

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Section: Methodsmentioning

confidence: 99%

A new species of the genus Eudevenopus (Crustacea: Amphipoda: Platyischnopidae) from the Gulf of Mexico

Ortiz

Cházaro–Olvera

2022

Rev.Mex.Biodiv.

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“…Postlarvae of P. mexicana were collected in two samplings, one carried out in November and the other in March. For the collections, white light traps made with plastic boxes were used (Cházaro-Olvera et al, 2018). The samplings were nocturnal, considering the full moon phase.…”

Section: Methodsmentioning

confidence: 99%

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2021

Hidrobiológica

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Background: Gracilaria parvispora is an invasive red seaweed located in coastal lagoons along the Tropical Mexican Pacific. Gracilaria species are the main source of agar around the world. Goals: Spatial and seasonal trends of the properties of native agar from the invasive seaweed G. parvispora were determined in three localities in the states of Oaxaca and Chiapas belonging to coastal lagoons along the Tropical Mexican Pacific: Ballenato, Paredón, and San Vicente. Methods: Native agar was obtained from dry samples of seaweed and the agar yield, gel strength, melting and gelling temperatures, hysteresis, and sulfate and 3,6-anhydrogalactose content were determined for each sample. Moreover, the polysaccharide structures and the location of sulfate groups in agar samples were identified. Results: The phycocolloid is a polysaccharide agar type. The agar yield was significantly different between seasons and localities, with the highest values during the dry season (19.9 ± 0.004 %) at Paredón (20.6 ± 0.01 %). Gel strength, melting temperature and gel hysteresis showed significant spatial differences; the highest values were obtained in Ballenato (367.3 ± 14.2 g cm −2 , 80.2 ± 1.4 °C, 44.3 ± 2.2 °C, respectively); gelling temperature did not show significant differences between localities or seasons. Chemical properties were significantly different between seasons: 3,6-anhydrogalactose content was higher during the dry season (36.2 ± 0.2 %), and sulfate content was higher during the rainy season (12.69 ± 0.21 %). Salinity was significantly different between seasons, and the highest was obtained during the dry season (38.7 ± 0.1). Surface water temperature varied between localities, and the highest mean value was recorded at Paredón (32.5 ± 0.2 °C). Conclusions: The chemical properties of the G. parvispora native agar were lower than the standards for food and industrial use.

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“…Callinectes sapidus postlarvae were collected in two samples using white light traps made from plastic boxes (Cházaro-Olvera et al 2018). The traps were placed overnight on the jetty of the Technological Institute of Boca de Río Veracruz at the site located at 19°05'50.23"N and 96°06'36.97"W (Fig.…”

Section: Fieldworkmentioning

confidence: 99%

Acute toxicity of diuron and glyphosate in megalopae of Callinectes sapidus from the Jamapa River Estuary, Veracruz

Cházaro–Olvera

Solorzano-López

Montoya-Mendoza

et al. 2022

Lat. Am. J. Aquat. Res.

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The objective of this work was to evaluate the acute toxicity of the commercial herbicides Karmex® (diuron: DCMU 3-(3,4-dichlorophenyl)-1,1-dimethylurea) and Herbipol® (glyphosate: N-(phosphonomethyl) glycine) on the megalopae of Callinectes sapidus and measure their relative abundance in the association of larval and postlarval species of crustaceans from the estuary of the Jamapa River, Veracruz. Collections were made overnight using white light traps. Likewise, dissolved oxygen, pH, temperature, total dissolved solids, and salinity were measured in situ. It was found that the association of larvae and postlarvae consisted of Macrobrachium acanthurus, M. olfersii, Potimirim mexicana, megalopae of C. sapidus and Armases ricordi, and zoeas of Brachyura. In total, 559 and 1057 C. sapidus megalopae were collected in November and March 2019, respectively. Dissolved oxygen was 6 and 7 mg L-1, pH was 7 and 8, the temperature was 26 and 27°C, total dissolved solids were 700 and 1500 ppm, and salinity was 0.70 and 16 in November and March, respectively. Using Probit analysis, a 96 h LC50 of diuron (Karmex®) was 7.69 ± 1.07 mg L-1 in March and 6.64 ± 0.93 mg L-1 in November. The LC50 for glyphosate (Herbipol®) was 247.83 ± 34.54 mg L-1 in March and 288.18 ± 38.66 3 mg L-1 in November. The blue crab C. sapidus is tolerant to a wide range of physicochemical factors; however, it is sensitive in the postlarval stages, like other species of crustaceans, to the herbicides diuron and glyphosate, for which the megalopae can be used in ecotoxicological studies.

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Intraspecific variation in megalopae of Clibanarius antillensis (Anomura, Diogenidae) among western Atlantic populations

Cited by 6 publications

References 24 publications

A new species of the genus Eudevenopus (Crustacea: Amphipoda: Platyischnopidae) from the Gulf of Mexico

A new species of the genus Eudevenopus (Crustacea: Amphipoda: Platyischnopidae) from the Gulf of Mexico

Untitled

Acute toxicity of diuron and glyphosate in megalopae of Callinectes sapidus from the Jamapa River Estuary, Veracruz

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